Base | Representation |
---|---|
bin | 100110011111… |
… | …101101111010 |
3 | 200222200210001 |
4 | 212133231322 |
5 | 10040411021 |
6 | 1000143214 |
7 | 151526644 |
oct | 46375572 |
9 | 20880701 |
10 | 10091386 |
11 | 5772898 |
12 | 3467b0a |
13 | 2124346 |
14 | 14a9894 |
15 | d45091 |
hex | 99fb7a |
10091386 has 4 divisors (see below), whose sum is σ = 15137082. Its totient is φ = 5045692.
The previous prime is 10091363. The next prime is 10091401. The reversal of 10091386 is 68319001.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68319001 = 631 ⋅108271.
It can be written as a sum of positive squares in only one way, i.e., 8590761 + 1500625 = 2931^2 + 1225^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522845 + ... + 2522848.
Almost surely, 210091386 is an apocalyptic number.
10091386 is a deficient number, since it is larger than the sum of its proper divisors (5045696).
10091386 is an equidigital number, since it uses as much as digits as its factorization.
10091386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5045695.
The product of its (nonzero) digits is 1296, while the sum is 28.
The square root of 10091386 is about 3176.6941936548. The cubic root of 10091386 is about 216.0977638148.
The spelling of 10091386 in words is "ten million, ninety-one thousand, three hundred eighty-six".
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